Yes this looks like the right option, enter the relayserver of your provider here. Sorry, I'am not very familar with webmin
That's okay. Most real admins don't need webmin and I have heard horror stories about newbies using webmin and tashing there box
I still don't understand how this will remove the IP address from the blacklist database though. I mean, once I use my ISP's smtp for outbound, will the IP be removed from the blacklist database?